The information in this preliminary pricing supplement is not complete and may be changed. This preliminary pricing supplement is not an offer to sell nor does it seek an offer to buy these securities in any jurisdiction where the offer or sale is not permitted.
Subject to completion dated September 27, 2019

JPMorgan Chase Financial Company LLC
Structured Investments

Auto Callable Contingent Buffered Equity Notes Linked to the Lesser Performing of the Russell 2000^® Index and the S&P 500^® Index due October 2, 2024

Fully and Unconditionally Guaranteed by JPMorgan Chase & Co.

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The notes are designed for investors who seek early exit prior to maturity at a premium if, on any Review Date (other than the final Review Date), the closing level of each of the Russell 2000^® Index and the S&P 500^® Index, which we refer to as the Indices, is at or above its Call Value.

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The earliest date on which an automatic call may be initiated is September 28, 2020.

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The notes are also designed for investors who seek uncapped, unleveraged exposure to any appreciation of the lesser performing of the Indices at maturity, if the notes have not been automatically called.

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Investors in the notes should be willing to forgo interest and dividend payments and be willing to accept the risk of losing some or all of their principal amount at maturity.

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The notes are unsecured and unsubordinated obligations of JPMorgan Chase Financial Company LLC, which we refer to as JPMorgan Financial, the payment on which is fully and unconditionally guaranteed by JPMorgan Chase & Co. Any payment on the notes is subject to the credit risk of JPMorgan Financial, as issuer of the notes, and the credit risk of JPMorgan Chase & Co., as guarantor of the notes.

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Payments on the notes are not linked to a basket composed of the Indices. Payments on the notes are linked to the performance of each of the Indices individually, as described below.

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Minimum denominations of $1,000 and integral multiples thereof

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The notes are expected to price on or about September 27, 2019 and are expected to settle on or about October 1, 2019.

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CUSIP: 48132FRL2

Investing in the notes involves a number of risks. See “Risk Factors” beginning on page PS-10 of the accompanying product supplement, “Risk Factors” beginning on page US-1 of the accompanying underlying supplement and “Selected Risk Considerations” beginning on page PS-4 of this pricing supplement.

Neither the Securities and Exchange Commission (the “SEC”) nor any state securities commission has approved or disapproved of the notes or passed upon the accuracy or the adequacy of this pricing supplement or the accompanying product supplement, underlying supplement, prospectus supplement and prospectus. Any representation to the contrary is a criminal offense.

If the notes priced today, the estimated value of the notes would be approximately $938.10 per $1,000 principal amount note. The estimated value of the notes, when the terms of the notes are set, will be provided in the pricing supplement and will not be less than $920.00 per $1,000 principal amount note. See “The Estimated Value of the Notes” in this pricing supplement for additional information.

The notes are not bank deposits, are not insured by the Federal Deposit Insurance Corporation or any other governmental agency and are not obligations of, or guaranteed by, a bank.

Pricing supplement to product supplement no. 4-I dated April 5, 2018, underlying supplement no. 1-I dated April 5, 2018 and the prospectus and prospectus supplement, each dated April 5, 2018

Issuer: JPMorgan Chase Financial Company LLC, an indirect, wholly owned finance subsidiary of JPMorgan Chase & Co.

Guarantor: JPMorgan Chase & Co.

Indices: The Russell 2000^® Index (Bloomberg ticker: RTY) and the S&P 500^® Index (Bloomberg ticker: SPX)

Call Premium Amount: The Call Premium Amount with respect to each Review Date is set forth below:

● first Review Date:	at least 7.75% × $1,000
● second Review Date:	at least 15.50% × $1,000
● third Review Date:	at least 23.25% × $1,000
● fourth Review Date:	at least 31.00% × $1,000

(in each case, to be provided in the pricing supplement)

Call Value: With respect to each Index, 100.00% of its Initial Value

Contingent Buffer Amount: 40.00%

Pricing Date: On or about September 27, 2019

Original Issue Date (Settlement Date): On or about October 1, 2019

Review Dates*: September 28, 2020, September 27, 2021, September 27, 2022, September 27, 2023 and September 26, 2024 (final Review Date)

Call Settlement Dates*: October 2, 2020, October 1, 2021, October 3, 2022 and October 3, 2023

Maturity Date*: October 2, 2024

* Subject to postponement in the event of a market disruption event and as described under “General Terms of Notes — Postponement of a Determination Date — Notes Linked to Multiple Underlyings” and “General Terms of Notes — Postponement of a Payment Date” in the accompanying product supplement

Automatic Call:

If the closing level of each Index on any Review Date (other than the final Review Date) is greater than or equal to its Call Value, the notes will be automatically called for a cash payment, for each $1,000 principal amount note, equal to (a) $1,000 plus (b) the Call Premium Amount applicable to that Review Date, payable on the applicable Call Settlement Date. No further payments will be made on the notes.

If the notes are automatically called, you will not benefit from the feature that provides you with a return at maturity equal to the Lesser Performing Index Return if the Final Value of each Index is greater than its Initial Value. Because this feature does not apply to the payment upon an automatic call, the payment upon an automatic call may be significantly less than the payment at maturity for the same level of appreciation in the Lesser Performing Index.

Payment at Maturity:

If the notes have not been automatically called and the Final Value of each Index is greater than its Initial Value, your payment at maturity per $1,000 principal amount note will be calculated as follows:

$1,000 + ($1,000 × Lesser Performing Index Return)

If the notes have not been automatically called and (i) the Final Value of one Index is greater than its Initial Value and the Final Value of the other Index is equal to its Initial Value or is less than its Initial Value by up to the Contingent Buffer Amount or (ii) the Final Value of each Index is equal to its Initial Value or is less than its Initial Value by up to the Contingent Buffer Amount, you will receive the principal amount of your notes at maturity.

If the notes have not been automatically called and the Final Value of either Index is less than its Initial Value by more than the Contingent Buffer Amount, your payment at maturity per $1,000 principal amount note will be calculated as follows:

$1,000 + ($1,000 × Lesser Performing Index Return)

If the notes have not been automatically called and the Final Value of either Index is less than its Initial Value by more than the Contingent Buffer Amount, you will lose more than 40% of your principal amount at maturity and could lose all of your principal amount at maturity.

Lesser Performing Index: The Index with the Lesser Performing Index Return

Lesser Performing Index Return: The lower of the Index Returns of the Indices

Index Return: With respect to each Index,

(Final Value – Initial Value)
Initial Value

Initial Value: With respect to each Index, the closing level of that Index on the Pricing Date

Final Value: With respect to each Index, the closing level of that Index on the final Review Date

The table below illustrates the hypothetical Call Premium Amount per $1,000 principal amount note for each Review Date (other than the final Review Date) based on the minimum Call Premium Amounts set forth under “Key Terms — Call Premium Amount” above. The actual Call Premium Amounts will be provided in the pricing supplement and will not be less than the minimum Call Premium Amounts set forth under “Key Terms — Call Premium Amount.”

The following table illustrates the hypothetical total return and payment at maturity on the notes linked to two hypothetical indices. The “total return” as used in this pricing supplement is the number, expressed as a percentage, that results from comparing the payment at maturity per $1,000 principal amount note to $1,000. The hypothetical total returns and payments set forth below assume the following:

The hypothetical Initial Value of the Lesser Performing Index of 100.00 has been chosen for illustrative purposes only and may not represent a likely actual Initial Value of either Index. The actual Initial Value of each Index will be the closing level of that Index on the Pricing Date and will be provided in the pricing supplement. For historical data regarding the actual closing levels of each Index, please see the historical information set forth under “The Indices” in this pricing supplement.

Each hypothetical total return or hypothetical payment at maturity set forth below is for illustrative purposes only and may not be the actual total return or payment at maturity applicable to a purchaser of the notes. The numbers appearing in the following table have been rounded for ease of analysis.

If the closing level of each Index on any Review Date (other than the final Review Date) is greater than or equal to its Call Value, the notes will be automatically called and investors will receive on the applicable Call Settlement Date the $1,000 principal amount plus the Call Premium Amount, applicable to that Review Date. No further payments will be made on the notes.

If the notes have not been automatically called and the Final Value of each Index is greater than its Initial Value, investors will receive at maturity the $1,000 principal amount note plus a return equal to the Lesser Performing Index Return.

If the notes have not been automatically called and (i) the Final Value of one Index is greater than its Initial Value and the Final Value of the other Index is equal to its Initial Value or is less than its Initial Value by up to the Contingent Buffer Amount of 40.00% or (ii) the Final Value of each Index is equal to its Initial Value or is less than its Initial Value by up to the Contingent Buffer Amount of 40.00%, investors will receive at maturity the principal amount of their notes.

If the notes have not been automatically called and the Final Value of either Index is less than its Initial Value by more than the Contingent Buffer Amount of 40.00%, investors will lose 1% of the principal amount of their notes for every 1% that the Final Value of the Lesser Performing Index is less than its Initial Value.

The hypothetical returns and hypothetical payments on the notes shown above apply only if you hold the notes for their entire term or until automatically called. These hypotheticals do not reflect the fees or expenses that would be associated with any sale in the secondary market. If these fees and expenses were included, the hypothetical returns and hypothetical payments shown above would likely be lower.

An investment in the notes involves significant risks. These risks are explained in more detail in the “Risk Factors” sections of the accompanying product supplement and underlying supplement.

The Russell 2000^® Index consists of the middle 2,000 companies included in the Russell 3000E^™ Index and, as a result of the index calculation methodology, consists of the smallest 2,000 companies included in the Russell 3000^® Index. The Russell 2000^® Index is designed to track the performance of the small capitalization segment of the U.S. equity market. For additional information about the Russell 2000^® Index, see “Equity Index Descriptions — The Russell Indices” in the accompanying underlying supplement.

The S&P 500^® Index consists of stocks of 500 companies selected to provide a performance benchmark for the U.S. equity markets. For additional information about the S&P 500^® Index, see “Equity Index Descriptions — The S&P U.S. Indices” in the accompanying underlying supplement.

The following graphs set forth the historical performance of each Index based on the weekly historical closing levels from January 3, 2014 through September 20, 2019. The closing level of the Russell 2000^® Index on September 26, 2019 was 1,533.326. The closing level of the S&P 500^® Index on September 26, 2019 was 2,977.62. We obtained the closing levels above and below from the Bloomberg Professional^® service (“Bloomberg”), without independent verification.

The historical closing levels of each Index should not be taken as an indication of future performance, and no assurance can be given as to the closing level of either Index on the Pricing Date or any Review Date. There can be no assurance that the performance of the Indices will result in the return of any of your principal amount.

You should review carefully the section entitled “Material U.S. Federal Income Tax Consequences” in the accompanying product supplement no. 4-I. The following discussion, when read in combination with that section, constitutes the full opinion of our special tax counsel, Davis Polk & Wardwell LLP, regarding the material U.S. federal income tax consequences of owning and disposing of notes.

Based on current market conditions, in the opinion of our special tax counsel it is reasonable to treat the notes as “open transactions” that are not debt instruments for U.S. federal income tax purposes, as more fully described in “Material U.S. Federal Income Tax Consequences — Tax Consequences to U.S. Holders — Notes Treated as Open Transactions That Are Not Debt Instruments” in the accompanying product supplement. Assuming this treatment is respected, the gain or loss on your notes should be treated as long-term capital gain or loss if you hold your notes for more than a year, whether or not you are an initial purchaser of notes at the issue price. However, the IRS or a court may not respect this treatment, in which case the timing and character of any income or loss on the notes could be materially and adversely affected. In addition, in 2007 Treasury and the IRS released a notice requesting comments on the U.S. federal income tax treatment of “prepaid forward contracts” and similar instruments. The notice focuses in particular on whether to require investors in these instruments to accrue income over the term of their investment. It also asks for comments on a number of related topics, including the character of income or loss with respect to these instruments; the relevance of factors such as the nature of the underlying property to which the instruments are linked; the degree, if any, to which income (including any mandated accruals) realized by non-U.S. investors should be subject to withholding tax; and whether these instruments are or should be subject to the “constructive ownership” regime, which very generally can operate to recharacterize certain long-term capital gain as ordinary income and impose a notional interest charge. While the notice requests comments on appropriate transition rules and effective dates, any Treasury regulations or other guidance promulgated after consideration of these issues could materially and adversely affect the tax consequences of an investment in the notes, possibly with retroactive effect. You should consult your tax adviser regarding the U.S. federal income tax consequences of an investment in the notes, including possible alternative treatments and the issues presented by this notice.

Section 871(m) of the Code and Treasury regulations promulgated thereunder (“Section 871(m)”) generally impose a 30% withholding tax (unless an income tax treaty applies) on dividend equivalents paid or deemed paid to Non-U.S. Holders with respect to certain financial instruments linked to U.S. equities or indices that include U.S. equities. Section 871(m) provides certain exceptions to this withholding regime, including for instruments linked to certain broad-based indices that meet requirements set forth in the applicable Treasury regulations (such an index, a “Qualified Index”). Additionally, a recent IRS notice excludes from the scope of Section 871(m) instruments issued prior to January 1, 2021 that do not have a delta of one with respect to underlying securities that could pay U.S.-source dividends for U.S. federal income tax purposes (each an “Underlying Security”). Based on certain determinations made by us, we expect that Section 871(m) will not apply to the notes with regard to Non-U.S. Holders. Our determination is not binding on the IRS, and the IRS may disagree with this determination. Section 871(m) is complex and its application may depend on your particular circumstances, including whether you enter into other transactions with respect to an Underlying Security. If necessary, further information regarding the potential application of Section 871(m) will be provided in the pricing supplement for the notes. You should consult your tax adviser regarding the potential application of Section 871(m) to the notes.

Withholding under legislation commonly referred to as “FATCA” may (if the notes are recharacterized as debt instruments) apply to amounts treated as interest paid with respect to the notes, as well as to payments of gross proceeds of a taxable disposition, including an automatic call or redemption at maturity, of a note, although under recently proposed regulations (the preamble to which specifies that taxpayers are permitted to rely on them pending finalization), no withholding will apply to payments of gross proceeds (other than any amount treated as interest). You should consult your tax adviser regarding the potential application of FATCA to the notes.

The estimated value of the notes set forth on the cover of this pricing supplement is equal to the sum of the values of the following hypothetical components: (1) a fixed-income debt component with the same maturity as the notes, valued using the internal funding rate described below, and (2) the derivative or derivatives underlying the economic terms of the notes. The estimated value of the notes does not represent a minimum price at which JPMS would be willing to buy your notes in any secondary market (if any exists) at any time. The internal funding rate used in the determination of the estimated value of the notes may differ from the market-implied funding rate for vanilla fixed income instruments of a similar maturity issued by JPMorgan Chase & Co. or its affiliates. Any difference may be based on, among other things, our and our affiliates’ view of the funding value of the notes as well as the higher issuance, operational and ongoing liability management costs of the notes in comparison to those costs for the conventional fixed income instruments of JPMorgan Chase & Co. This internal funding rate is based on certain market inputs and assumptions, which may prove to be incorrect, and is intended to approximate the prevailing market replacement funding rate for the notes. The use of an internal funding rate and any potential changes to that rate may have an adverse effect on the terms of the notes and any secondary market prices of the notes. For additional information, see “Selected Risk Considerations — The Estimated Value of the Notes Is Derived by Reference to an Internal Funding Rate” in this pricing supplement.

The value of the derivative or derivatives underlying the economic terms of the notes is derived from internal pricing models of our affiliates. These models are dependent on inputs such as the traded market prices of comparable derivative instruments and on various other inputs, some of which are market-observable, and which can include volatility, dividend rates, interest rates and other factors, as well as assumptions about future market events and/or environments. Accordingly, the estimated value of the notes is determined when the terms of the notes are set based on market conditions and other relevant factors and assumptions existing at that time.

The estimated value of the notes does not represent future values of the notes and may differ from others’ estimates. Different pricing models and assumptions could provide valuations for the notes that are greater than or less than the estimated value of the notes. In addition, market conditions and other relevant factors in the future may change, and any assumptions may prove to be incorrect. On future dates, the value of the notes could change significantly based on, among other things, changes in market conditions, our or JPMorgan Chase & Co.’s creditworthiness, interest rate movements and other relevant factors, which may impact the price, if any, at which JPMS would be willing to buy notes from you in secondary market transactions.

The estimated value of the notes will be lower than the original issue price of the notes because costs associated with selling, structuring and hedging the notes are included in the original issue price of the notes. These costs include the selling commissions paid to JPMS and other affiliated or unaffiliated dealers, the projected profits, if any, that our affiliates expect to realize for assuming risks inherent in hedging our obligations under the notes and the estimated cost of hedging our obligations under the notes. Because hedging our obligations entails risk and may be influenced by market forces beyond our control, this hedging may result in a profit that is more or less than expected, or it may result in a loss. A portion of the profits, if any, realized in hedging our obligations under the notes may be allowed to other affiliated or unaffiliated dealers, and we or one or more of our affiliates will retain any remaining hedging profits. See “Selected Risk Considerations — The Estimated Value of the Notes Will Be Lower Than the Original Issue Price (Price to Public) of the Notes” in this pricing supplement.

For information about factors that will impact any secondary market prices of the notes, see “Risk Factors — Risks Relating to the Estimated Value and Secondary Market Prices of the Notes — Secondary market prices of the notes will be impacted by many economic and market factors” in the accompanying product supplement. In addition, we generally expect that some of the costs included in the original issue price of the notes will be partially paid back to you in connection with any repurchases of your notes by JPMS in an amount that will decline to zero over an initial predetermined period. These costs can include selling commissions, projected hedging profits, if any, and, in some circumstances, estimated hedging costs and our internal secondary market funding rates for structured debt issuances. This initial predetermined time period is intended to be the shorter of six months and one-half of the stated term of the notes. The length of any such initial period reflects the structure of the notes, whether our affiliates expect to earn a profit in connection with our hedging activities, the estimated costs of hedging the notes and when these costs are incurred, as determined by our affiliates. See “Selected Risk Considerations — The Value of the Notes as Published by JPMS (and Which May Be Reflected on Customer Account Statements) May Be Higher Than the Then-Current Estimated Value of the Notes for a Limited Time Period” in this pricing supplement.

The notes are offered to meet investor demand for products that reflect the risk-return profile and market exposure provided by the notes. See “How the Notes Work” and “Note Payout Scenarios” in this pricing supplement for an illustration of the risk-return profile of the notes and “The Indices” in this pricing supplement for a description of the market exposure provided by the notes.

The original issue price of the notes is equal to the estimated value of the notes plus the selling commissions paid to JPMS and other affiliated or unaffiliated dealers, plus (minus) the projected profits (losses) that our affiliates expect to realize for assuming risks inherent in hedging our obligations under the notes, plus the estimated cost of hedging our obligations under the notes.

You may revoke your offer to purchase the notes at any time prior to the time at which we accept such offer by notifying the applicable agent. We reserve the right to change the terms of, or reject any offer to purchase, the notes prior to their issuance. In the event of any changes to the terms of the notes, we will notify you and you will be asked to accept such changes in connection with your purchase. You may also choose to reject such changes, in which case we may reject your offer to purchase.

You should read this pricing supplement together with the accompanying prospectus, as supplemented by the accompanying prospectus supplement relating to our Series A medium-term notes of which these notes are a part, and the more detailed information contained in the accompanying product supplement and the accompanying underlying supplement. This pricing supplement, together with the documents listed below, contains the terms of the notes and supersedes all other prior or contemporaneous oral statements as well as any other written materials including preliminary or indicative pricing terms, correspondence, trade ideas, structures for implementation, sample structures, fact sheets, brochures or other educational materials of ours. You should carefully consider, among other things, the matters set forth in the “Risk Factors” sections of the accompanying product supplement and the accompanying underlying supplement, as the notes involve risks not associated with conventional debt securities. We urge you to consult your investment, legal, tax, accounting and other advisers before you invest in the notes.

You may access these documents on the SEC website at www.sec.gov as follows (or if such address has changed, by reviewing our filings for the relevant date on the SEC website):

Our Central Index Key, or CIK, on the SEC website is 1665650, and JPMorgan Chase & Co.’s CIK is 19617. As used in this pricing supplement, “we,” “us” and “our” refer to JPMorgan Financial.

	Price to Public (1)	Fees and Commissions (2)	Proceeds to Issuer
Per note	$1,000	$	$
Total	$	$	$
(1) See “Supplemental Use of Proceeds” in this pricing supplement for information about the components of the price to public of the notes. (2) J.P. Morgan Securities LLC, which we refer to as JPMS, acting as agent for JPMorgan Financial, will pay all of the selling commissions it receives from us to other affiliated or unaffiliated dealers. In no event will these selling commissions exceed $41.25 per $1,000 principal amount note. See “Plan of Distribution (Conflicts of Interest)” in the accompanying product supplement.

Review Date	Call Premium Amount
First	$77.50
Second	$155.00
Third	$232.50
Fourth	$310.00

Final Value of the Lesser Performing Index	Lesser Performing Index Return	Total Return on the Notes	Payment at Maturity
165.00	65.00%	65.00%	$1,650.00
150.00	50.00%	50.00%	$1,500.00
140.00	40.00%	40.00%	$1,400.00
130.00	30.00%	30.00%	$1,300.00
120.00	20.00%	20.00%	$1,200.00
110.00	10.00%	10.00%	$1,100.00
105.00	5.00%	5.00%	$1,050.00
101.00	1.00%	1.00%	$1,010.00
100.00	0.00%	0.00%	$1,000.00
95.00	-5.00%	0.00%	$1,000.00
90.00	-10.00%	0.00%	$1,000.00
85.00	-15.00%	0.00%	$1,000.00
80.00	-20.00%	0.00%	$1,000.00
70.00	-30.00%	0.00%	$1,000.00
60.00	-40.00%	0.00%	$1,000.00
59.99	-40.01%	-40.01%	$599.90
50.00	-50.00%	-50.00%	$500.00
40.00	-60.00%	-60.00%	$400.00
30.00	-70.00%	-70.00%	$300.00
20.00	-80.00%	-80.00%	$200.00
10.00	-90.00%	-90.00%	$100.00
0.00	-100.00%	-100.00%	$0.00